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malwarebytes setup.exe

Malwarebytes

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application malwarebytes setup.exe by Download Assistant has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the AirInstaller Download Manager installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from evd.softwaredeliveryc.com.
Publisher:
Download Assistant  (signed and verified)

Product:
Malwarebytes

Version:
3.0.0.154

MD5:
da0615a9b728542f286fd96e7cc1e6eb

SHA-1:
d402eb3b407b8350f3c91cbf332251b317dfa038

SHA-256:
112707ad92596dfe46294524ef364d7fa3549d9700bdcbb2dcc3fad453101563

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/22/2025 7:56:04 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.21.5

File size:
1.1 MB (1,140,000 bytes)

Product version:
3.0.0.154

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\malwarebytes%20setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
4/13/2016 8:00:00 PM

Valid to:
7/14/2017 7:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3179370BECD0CB49DB3E6431A0C87799

File PE Metadata
Compilation timestamp:
1/30/2013 9:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:UxGHAVD60djpXwfdSrkSo+g0vyOVTLvh0zUsEJak7:ZR0/XiEASB0ZEJak7

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Entropy:
6.9658

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

The file malwarebytes setup.exe has been seen being distributed by the following URL.

http://evd.softwaredeliveryc.com/v2/click/1f83eab9/?affiliate_image=&cancel_url=http://tundra.site/pages/ML/MLINT.html&d=http://d1dj2uff8ovnoq.cloudfront.net/wp-content/uploads/2015/08/.../mbam-setup-2.2.0.1024.exe&done_url=http://tundra.site/pages/LM/LM_TYP.html&filename=Malwarebytes Setup&key=c9d065665e3b807a63cda7db7e08bc29ef9b368a8a8bedfddfdf8e962ecd267b&n=Malwarebytes&product_image=http://d1dj2uff8ovnoq.cloudfront.net/wp-content/uploads/2015/08/.../product2.png&sid=Malwarebytes-US&uid=12014913&uao=TW96aWxsYS81LjAgKFdpbmRvd3MgTlQgNi4xOyBXT1c2NCkgQXBwbGVXZWJLaXQvNTM3LjM2IChLSFRNTCwgbGlrZSBHZWNrbykgQ2hyb21lLzQ5LjAuMjYyMy4xMTIgU2FmYXJpLzUzNy4zNg__&scid=69d87f9c-072b-11e6-aaf4-0401abff8d01

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